Import internal commit 529cd3d19fe59ddddc86df57e5ad0ce7190c0b8f : [APPROVAL] pending/master/bslmf_isfunction-fails-test-case-1-on-clang-drqs-37510095 to master
Import internal commit 529cd3d19fe59ddddc86df57e5ad0ce7190c0b8f : [APPROVAL] pending/master/bslmf_isfunction-fails-test-case-1-on-clang-drqs-37510095 to master

bowlofstew/bde,bowlofstew/bde,idispatch/bde,apaprocki/bde,abeels/bde,idispatch/bde,dharesign/bde,bloomberg/bde,che2/bde,jmptrader/bde,saxena84/bde,dbremner/bde,minhlongdo/bde,osubboo/bde,mversche/bde,jmptrader/bde,RMGiroux/bde-allocator-benchmarks,apaprocki/bde,bloomberg/bde,osubboo/bde,bowlofstew/bde,mversche/bde,saxena84/bde,che2/bde,apaprocki/bde,jmptrader/bde,dbremner/bde,bloomberg/bde-allocator-benchmarks,mversche/bde,abeels/bde,abeels/bde,frutiger/bde,osubboo/bde,RMGiroux/bde-allocator-benchmarks,RMGiroux/bde-allocator-benchmarks,dbremner/bde,minhlongdo/bde,saxena84/bde,bowlofstew/bde,osubboo/bde,minhlongdo/bde,idispatch/bde,gbleaney/Allocator-Benchmarks,dharesign/bde,mversche/bde,dbremner/bde,bloomberg/bde-allocator-benchmarks,frutiger/bde,bloomberg/bde-allocator-benchmarks,gbleaney/Allocator-Benchmarks,gbleaney/Allocator-Benchmarks,jmptrader/bde,dharesign/bde,gbleaney/Allocator-Benchmarks,bloomberg/bde,RMGiroux/bde-allocator-benchmarks,bloomberg/bde,minhlongdo/bde,abeels/bde,idispatch/bde,bloomberg/bde-allocator-benchmarks,che2/bde,dharesign/bde,bloomberg/bde-allocator-benchmarks,apaprocki/bde,saxena84/bde,apaprocki/bde,bloomberg/bde,abeels/bde,frutiger/bde,che2/bde,abeels/bde,RMGiroux/bde-allocator-benchmarks,frutiger/bde